# Relationship history for MSHA mine 3901196

Current hierarchy: **Allen  Wilde → Allen Wilde Construction, LLC → Wilde Gravel**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Klinkel Construction Company → Wilde Gravel; 1979-01-01 to 1991-04-30; source msha-controller-operator-history
- **controller_controls_mine:** Merle  Klinkel → Wilde Gravel; 1979-01-01 to 1991-04-30; source msha-controller-operator-history
- **controller_controls_operator:** Merle  Klinkel → Klinkel Construction Company; 1979-01-01 to 1991-04-30; source msha-controller-operator-history
- **operator_operates_mine:** Allen Wilde Construction → Wilde Gravel; 1991-05-01 to 2024-01-25; source msha-controller-operator-history
- **controller_controls_mine:** Allen  Wilde → Wilde Gravel; 1991-05-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Allen  Wilde → Allen Wilde Construction; 1991-05-01 to 2024-01-25; source msha-controller-operator-history
- **operator_operates_mine:** Allen Wilde Construction, LLC → Wilde Gravel; 2024-01-26 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Allen  Wilde → Wilde Gravel; 2024-01-26 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Allen  Wilde → Allen Wilde Construction, LLC; 2024-01-26 to current/open; source msha-controller-operator-history